Home / 5,314,852.60-7,969,946.10-2,118,916.60

Finding the Fourth Proportional to 5,314,852.60, 7,969,946.10 and 2,118,916.60

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Solution

The fourth proportional to 5,314,852.60, 7,969,946.10 and 2,118,916.60 is: 3,177,444.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,314,852.60 : 7,969,946.10 = 2,118,916.60 : x
  2. Step 2: Convert to fraction form
    5,314,852.60/7,969,946.10 = 2,118,916.60/x
  3. Step 3: Cross multiply
    5,314,852.60x = 7,969,946.10 × 2,118,916.60
  4. Step 4: Simplify right side
    5,314,852.60x = 16,887,651,092,395.26
  5. Step 5: Solve for x
    x = 16,887,651,092,395.26/5,314,852.60
  6. Step 6: Final answer
    x = 3,177,444.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.